Hoisting drum



P. BARNEY.

HOISTING DRUM. APPLICATION FILED MAR. a, 1920. nenfwen ocT. 4. 1922.

Patented Nov. 21, 1922.,v

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PHILIP BARNEY, OF BOLLARD, MANITOBA, CANADA.

HOISTING DRUM.

Application led March 8, 1920, Serial No. 364,105. Renewed October 4,1922. Serial No. 592,391.

To all whom t may concern.'

Be it known that I, PHILIP BARNEY, of the town of Dollard, in theProvince of Manitoba, Canada, have invented certain new and usefulImprovements in Hoisting Drums, of which the followin is thespecification.

The invention re ates to improvements in hoisting drums and the objectof the invention is to provide a simply constructed, easily operated,inexpensive and durable hoisting drum for general work and particularlyuseful for a farmer, a special feature of the construction residing inthe arrangement which permits of the slack in the hoisting cable beingtaken up prior to the hoisting operation being carried on, therebypreventing considerable wear and tear on the cable and also enabling theactual lifting operation to be carried on under more favorableconditions.

With the above objects in view the invention consists essentially in ahollow rotatably mounted winding drum, hand operated means formanipulating the drum and an auxiliary drum associated with the -maindrum, the parts being arranged and constructed as hereinafter moreparticularly described and later pointed out in the appended claims,reference being had to the accompanying drawing in which:-

Fig. 1 is a plan view of the hoisting drum.

Fig. 2 is a side view thereof.

Fig. 3 is a sectional view through the drum.

Fig. 4 is a sectional view through the auxiliary drum.

In the drawing like characters of reference indicate corresponding partsin the several figures.

1 and 2 represent side members such as the legs of a derrick and betweenwhich my device is mounted. 3 and 4 are a pair of opposing side barslocated on the inner side of the beams and held permanently in positionby cross bolts 5 and 6 extending across between the bars and through theends of the bars and fitted with spacing sleeves 7 and 8 located betweenthe bars. The bolts are supplied with nuts 9 and 10 so that upon thenuts being tightened up the side bars are held fast. The side bars,bolts and spacing sleeves really form a frame for carrying the drum. V

11 represents themain drum which is provided at one end with acomparatively large gear wheel 12 and at the other end with a flange 13between which the cable 14 is wound. The ends of the drum are rotatablymounted in the side bars and the centre of the drum is hollow from endto end as indicated at 15.

16 represents an operating shaft rotatably mounted in the side bars andhaving one end extending through the beam 1 and provided with a handcrank 17. 18 is a pinion or small gear wheel secured to the shaft 16 andmeshing continuously with the gear wheel 12.

19 represents a short pipe extending through the beam 2 and having theinner end screw threaded into or otherwise secured to the end of thedrum and the outer end tted with an auxiliary drum 20 which is actuallyformed from side discs 21 and 22 connected by suitably spaced cross rods28. This drum is adapted to rotate with the main drum and actually theend of the cable is attached to the drums by rst threading the endthereof through an opening 24 in the main drum and out through the tube19.

When the appliance is to be used the slack in the cable is initiallypulled up and wound around the auxiliary drum, the end of the cablebeing finally anchored by passing it through a hole provided at 25 inthe disc 22. After the slack has been so taken up the attendant turnsthe crank and eects the winding of the cable on the drum 11 and thelifting or lowering of the load in the ordinary way.

It will here be apparent that by pro-viding the auxiliary drum whichturns with the main drum I save a good deal of time in the windingoperation as well as make it easier to lift the load in a great manyinstances.

To understand this it is explained that usually the slack in the cableis wound on the main drum, this occurring before the load is actuallyraised. If there is considerable slack cable to be wound up it takestime and besides when one comes to raise the load the work is heavierthan it should be for the reason that the load is probably beingelevated when the cable is on the second or third course around thedrum. Further, the winding of an outer course of cable on an innercourse when the load is being raised is very hard on the cable, wearingit out much quicker than if it were winding entirely on the drum.

Reverting now to my structure I may say that l have found for generalfarm purposes. that the ordinary load can he raised by one course oLtcable on the drum with the result that if one initially draws tlie cablethrough and Winds the slack on the auxiliary drum and then starts toWork to lift the load he will ind that the load can be elevated easierand quicker and the l-ile .of the cable materially increased.

lWhat I claim as my invention is l. A cable Winding` mechanismcomprising a pair ot' winding drums each hai/ingl a hollow axial portioncommunicating With the cable Winding space, and a hollow con duitconnecting` said drums and alined With the hollow axial portionsthereof.

in arrangement according to. claim l in which one of said drumscomprises a pair ot end plates one of which is supported by the hollowTconduit, and a plurality of spaced connecting rods extending betweensaid `plates.

The combination with a cable winding mechanism, as recited in claim l,of a supporting structure through which said holloW conduit extends.

4. The combination with a Winding mechanism, as recited in claim l, of aframe in Which one of said drums isjourna-lled and a supportingstructure for said frame through which said hollow conduitextends.

Signed at llinnipeg, this 20, day of Fehruary, 1920.

PHILIP BARNEY.

Vitnesses:

GERALD S. RoxuRY, Jr., M. WAKEFIELD.

